National Institutes of Environmental Health Sciences, Research Contracts Branch, DERT, P.O. Box 12874, Building 4401, Research Commons, 79 T.W. Alexander Drive, Research Triangle Park, NC 27709

A -- BIOANALYTICAL CHEMISTRY SUPPORT POC Katherine A. Hughes, Contracting Officer (919) 541-0420 WEB: none, none. E-MAIL: none, none. The National Institute of Environmental Health Sciences (NIEHS) intends to negotiate with CEDRA Corporation as a sole source under the authority of 41 U.S.C. 253(C)(1) to extend the Contract performance period for an additional one and one-half months to complete ongoing chemical and additional melatonin studies for contract number N01-ES-25332. See Note 22. (0335)

Loren Data Corp. http://www.ld.com (SYN# 0002 19971203\A-0002.SOL)